2206666513 has 4 divisors (see below), whose sum is σ = 2208041280. Its totient is φ = 2205291748.

The previous prime is 2206666489. The next prime is 2206666531. The reversal of 2206666513 is 3156666022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2206666513 - 2⁹ = 2206666001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2206676513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684973 + ... + 688186.

It is an arithmetic number, because the mean of its divisors is an integer number (552010320).

Almost surely, 2^2206666513 is an apocalyptic number.

It is an amenable number.

2206666513 is a deficient number, since it is larger than the sum of its proper divisors (1374767).

2206666513 is a wasteful number, since it uses less digits than its factorization.

2206666513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374766.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2206666513 is about 46975.1691109250. The cubic root of 2206666513 is about 1301.9038205959.

The spelling of 2206666513 in words is "two billion, two hundred six million, six hundred sixty-six thousand, five hundred thirteen".